PL2714987T3 - Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same - Google Patents

Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same

Info

Publication number
PL2714987T3
PL2714987T3 PL12723356T PL12723356T PL2714987T3 PL 2714987 T3 PL2714987 T3 PL 2714987T3 PL 12723356 T PL12723356 T PL 12723356T PL 12723356 T PL12723356 T PL 12723356T PL 2714987 T3 PL2714987 T3 PL 2714987T3
Authority
PL
Poland
Prior art keywords
brightness
making
methods
same
softwood kraft
Prior art date
Application number
PL12723356T
Other languages
Polish (pl)
Inventor
Arthur J Nonni
Charles E Courchene
Philip R Campbell
Steven C Dowdle
Joel M Engle
Christopher M Slone
Original Assignee
Gp Cellulose Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Gp Cellulose Gmbh filed Critical Gp Cellulose Gmbh
Publication of PL2714987T3 publication Critical patent/PL2714987T3/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/123—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with Cl2O
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • D21H11/04—Kraft or sulfate pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
PL12723356T 2011-05-23 2012-05-18 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same PL2714987T3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201161489245P 2011-05-23 2011-05-23
US201161489594P 2011-05-24 2011-05-24
PCT/US2012/038685 WO2012170183A1 (en) 2011-05-23 2012-05-18 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same
EP12723356.7A EP2714987B1 (en) 2011-05-23 2012-05-18 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same

Publications (1)

Publication Number Publication Date
PL2714987T3 true PL2714987T3 (en) 2015-12-31

Family

ID=46149020

Family Applications (1)

Application Number Title Priority Date Filing Date
PL12723356T PL2714987T3 (en) 2011-05-23 2012-05-18 Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same

Country Status (15)

Country Link
US (2) US9719208B2 (en)
EP (1) EP2714987B1 (en)
JP (3) JP6254078B2 (en)
KR (1) KR101918470B1 (en)
CN (1) CN103703184B (en)
AU (1) AU2012268700B2 (en)
BR (1) BR112013030060A2 (en)
CA (1) CA2836895C (en)
IL (1) IL229518B (en)
MX (1) MX353539B (en)
PL (1) PL2714987T3 (en)
RU (1) RU2608686C2 (en)
TW (2) TWI634247B (en)
WO (1) WO2012170183A1 (en)
ZA (1) ZA201308822B (en)

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AU2013207797B2 (en) 2012-01-12 2017-05-25 Gp Cellulose Gmbh A low viscosity kraft fiber having reduced yellowing properties and methods of making and using the same
PL2954115T3 (en) * 2013-02-08 2022-05-02 Gp Cellulose Gmbh Softwood kraft fiber having an improved a-cellulose content and its use in the production of chemical cellulose products
US10138598B2 (en) * 2013-03-14 2018-11-27 Gp Cellulose Gmbh Method of making a highly functional, low viscosity kraft fiber using an acidic bleaching sequence and a fiber made by the process
WO2015138335A1 (en) 2014-03-12 2015-09-17 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
BR112015020000A2 (en) 2013-03-15 2017-07-18 Gp Cellulose Gmbh chemically modified kraft fiber and manufacturing methods
US9926385B2 (en) * 2013-08-12 2018-03-27 Shin-Etsu Chemical Co., Ltd. Method for producing water-soluble cellulose ether having low degree of polymerization and method for producing film coating composition comprising same
CA3002064C (en) 2015-10-14 2023-09-05 Gp Cellulose Gmbh Novel cellulose composite materials and methods of making and using the same
BR112018010992A2 (en) * 2015-12-01 2018-12-04 Gp Cellulose Gmbh open-chain modified cellulosic pulps and methods for making and using them
US9771687B2 (en) * 2016-02-25 2017-09-26 International Paper Company Crosslinked cellulose as precursor in production of high-grade cellulose derivatives and related technology
MX2018014721A (en) 2016-06-02 2019-05-22 Gp Cellulose Gmbh Oxidized cellulose containing packaging materials.
RU2020125474A (en) * 2017-03-21 2020-12-08 Интернэшнл Пэйпа Кампани CELLULOSE COMPOSITION WITH THE ABILITY OF ELIMINATING UNPLEASANT ODOR
CN111902578A (en) 2018-02-23 2020-11-06 Gp纤维素有限责任公司 Novel dissolving wood pulp and methods of making and using the same

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